The invention discloses a navigation route display method, which comprises the following steps: extracting crossings from acquired navigation routes; segmenting the navigation route according to the extracted crossings; calling a crossing symbol template base for anyone of the extracted crossings an.....
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The present invention relates to a positioning system and method for hierarchical, using the information server and the master device connected thereto, from the device, the information server information including location information database to track and alarm modules, the master device includes .....
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For the existing clean ashtray, the cigarette or ash needs to be picked up by hand which can cause some health problems, especially after infectious diseases such as SARS outbreak in Hongkong. The utility model discloses an ashtray used together with small containers. The ashtray is provided with a .....
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